Sixteenth Notes and Sixteenth Rests: Sixteenth notes and rests only last for one fourth of a beat. When you are counting the rhythm of sixteenth notes, the usual way is to say "e-and-a" between each beat. This subdivides each beat by four, and makes it easier to count the sixteenth notes and rests evenly. Like this: We’ve put together 40 pages of PDF grade 3 music theory worksheets covering everything that you need to know for the ABRSM grade 3 music theory exam. By completing these worksheets alongside your studies you will grasp all the topics and techniques needed for someone learning and studying music theory.